Advances in Multimodal Imaging Using Double-Clad Fiber Couplers

Double-clad fibers (DCFs) are versatile waveguides comprising a single-mode core surrounded by a multimode inner cladding. DCFs are increasingly used for multimodal biomedical applications, such as imaging or therapy, for which the core is typically used for coherent illumination and the inner cladd...

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Bibliographic Details
Published in:Journal of lightwave technology 2019-11, Vol.37 (22), p.5674-5685
Main Authors: Beaudette, Kathy, Godbout, Nicolas, Boudoux, Caroline
Format: Article
Language:English
Subjects:
Biomedical materials
Biomedical optical imaging
Cladding
confocal microscopy
Couplers
endoscopy
fluorescence imaging
hyperspectral imaging
laser coagulation
laser therapy
molecular imaging
optical coherence tomography (OCT)
Optical device fabrication
Optical imaging
Optical interferometry
Optical waveguides
spectroscopy
Waveguides
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Summary:Double-clad fibers (DCFs) are versatile waveguides comprising a single-mode core surrounded by a multimode inner cladding. DCFs are increasingly used for multimodal biomedical applications, such as imaging or therapy, for which the core is typically used for coherent illumination and the inner cladding to support a concurrent modality. Double-clad fiber couplers (DCFCs) were developed to allow the separation or combination of these signals in a robust and efficient fashion. In this paper, we review the operation and types of DCFCs in addition to current biomedical applications.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2019.2929926